Spa chlorinator



FIG. 1 is a front-top-right perspective view of a spa chlorinator, showing my new design;

FIG. 2 is a front-bottom-left perspective view thereof;

FIG. 3 is a front elevation view thereof;

FIG. 4 is a rear elevation view thereof;

FIG. 5 is a right side elevation view thereof;

FIG. 6 is a left side elevation view thereof;

FIG. 7 is a top plan view thereof;

FIG. 8 is a bottom plan view thereof; and,

FIG. 9 is another front-top-right perspective view thereof, showing the spa chlorinator in an extended position.

The broken lines in the figures illustrate portions of the spa chlorinator that form no part of the claimed design. 

CLAIM The ornamental design for a spa chlorinator, as shown and described. 